Dissolve Jello in 1 cup ... celery, chicken, Cool Whip and mayonnaise. Mix thoroughly. Place in a 9 x 13 inch pan. Chill overnight. Serve on a bed of lettuce.
Line a 9x5 loaf pan with foil. Whip topping as package directs, using ... reserved cake pieces. Chill until set. Remove from pan ... cake into 8 slices.
Dissolve Jello as directed. Cool ... solid. Add Cool Whip. Mix well. Add shredded ... sprinkle on top. Chill in glass cake pan. Serve ... Especially good with ham.